Appearance Features: Brass housing with golden finish, M18×1.5 external thread, metal probe tip, engraved model number on brass body, black plastic waterproof plug connector

Core Functions: Installed on the gearbox to detect reverse gear position, used to trigger reverse light and buzzer

Design Advantages: Brass body offers excellent corrosion resistance and thermal conductivity; waterproof plug ensures reliable electrical connection in harsh environments; engraved model number facilitates identification